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Thread: Dumping noise from turbo during gear change

  1. #1
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    Trim : SXi

    Engine : 2.2


    confused Dumping noise from turbo during gear change

    I,m guessing these diesels have a recirculating valve as a dump valve would serve no real purpose, however mine seems pretty loud as you can hear it in the car and sounds a bit like a petrol dumping air between gear changes but at only half the volume(Had an MR2 turbo so know what it sounds like)

    Is this the norm? Never heard anything like this on a diesel before and performance and mpg are both good .....and no it has not had a "pretend" BOV fitted (I did check lol)

  2. #2
    Regular Member Daywalker's Avatar
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    Vehicle : Qashqai

    Trim : Visia

    Engine : 1.5dci

    Year : 2010

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    Mine does the same i take no notice lol

  3. #3
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    Trim : SXi

    Engine : 2.2


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    Well it does not really bother me just wondered if something was up with it - its something I can live with lol

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    VIP-Member brifen's Avatar
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    Vehicle : Vauxhall Signum 2.0 DTI (Irmscher)

    Trim : Elegance

    Engine : 2.0 DTI 100 bhp

    Year : 2003

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    Yip, my 2.2DTI does the same, I get a 'tsoo' between gear changes. Hear it more if window is open (obviously) but again I tend to take no notice.

    Bri.
    Today!! The new tomorrow, live the NOW!!

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    Trim : SXi

    Engine : 2.2


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    Quote Originally Posted by brifen View Post
    Yip, my 2.2DTI does the same, I get a 'tsoo' between gear changes. Hear it more if window is open (obviously) but again I tend to take no notice.

    Bri.
    Mines the 2.2DTI ok thanks guys nothing to worry about if it is we are all in the same boat

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    my 2.2dti also does it i think it sounds quite nice, not quite as good as my 5turbo though lol

  7. #7
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

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    Yeah all the compressed air has to go somewhere and thats what the wooshing noise you hear is. The dti's are pretty industrial sounding engines but sound nice on rolling roads lol

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